summaryrefslogtreecommitdiffstats
path: root/include/linux/iio/dac/mcp4725.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/linux/iio/dac/mcp4725.h')
-rw-r--r--include/linux/iio/dac/mcp4725.h25
1 files changed, 25 insertions, 0 deletions
diff --git a/include/linux/iio/dac/mcp4725.h b/include/linux/iio/dac/mcp4725.h
new file mode 100644
index 000000000..1f7e53c50
--- /dev/null
+++ b/include/linux/iio/dac/mcp4725.h
@@ -0,0 +1,25 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * MCP4725 DAC driver
+ *
+ * Copyright (C) 2012 Peter Meerwald <pmeerw@pmeerw.net>
+ */
+
+#ifndef IIO_DAC_MCP4725_H_
+#define IIO_DAC_MCP4725_H_
+
+/**
+ * struct mcp4725_platform_data - MCP4725/6 DAC specific data.
+ * @use_vref: Whether an external reference voltage on Vref pin should be used.
+ * Additional vref-supply must be specified when used.
+ * @vref_buffered: Controls buffering of the external reference voltage.
+ *
+ * Vref related settings are available only on MCP4756. See
+ * Documentation/devicetree/bindings/iio/dac/microchip,mcp4725.yaml for more information.
+ */
+struct mcp4725_platform_data {
+ bool use_vref;
+ bool vref_buffered;
+};
+
+#endif /* IIO_DAC_MCP4725_H_ */